Home / 16,776.83-25,161.36-7,411.75

Finding the Fourth Proportional to 16,776.83, 25,161.36 and 7,411.75

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Solution

The fourth proportional to 16,776.83, 25,161.36 and 7,411.75 is: 11,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,776.83 : 25,161.36 = 7,411.75 : x
  2. Step 2: Convert to fraction form
    16,776.83/25,161.36 = 7,411.75/x
  3. Step 3: Cross multiply
    16,776.83x = 25,161.36 × 7,411.75
  4. Step 4: Simplify right side
    16,776.83x = 186,489,622.44
  5. Step 5: Solve for x
    x = 186,489,622.44/16,776.83
  6. Step 6: Final answer
    x = 11,115.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.